That being said, I'm already working on a place where the code can exist for all to download it and all to contribute to it. I'd like to get a list of part numbers that go into the building of the unit as a whole.

ultimately, I'd like to provide a place for all of these sorts of aquatic controllers people are setting up.

Hey Scapegoat, heres a list of the requisite components, plus some extras (most of this info is gleaned from the Jarduino user's manual).